that´s me in thermal infrared

Bernd Brinkmann´s

image of

Comet C/2006 M4 (SWAN)

	date (yy/mm/dd)	time (UT)	exp. time (min/sec)	camera / telescope	film / CCD	filter	image size	Remarks
comet was estimated 6.0 mag with 10x50 binoculars North is up, east to the left	01.11.2006	17:31:08 - 17:56:16	2 x 20 x 30 sec	C8 + focal reducer @ f/5.8	Starlight SX	-	26.9' x 21.8'	processing with MIRA A/P: dark flat processing with Astrometrica: average combine on comets motion (track and stack) processing with Photoshop: open FITS log scaling merge images clipping save as JPEG
comet was estimated visually at 6.3 mag with 10x50 binoculars, f.st. 5.1 mag	16.10.2006	17:53:35 - 18:17:54	45 x 30 sec	C8 + focal reducer @ f/5.8	Starlight SX	-	14.8' x 11.1'	processing with MIRA A/P: dark flat register on comet mean combine processing with Photoshop: open FITS log scaling clipping save as JPEG
same data as above, only different combine method coma diameter 7.4' the starlike false nucleus wasn't visible in 8" SC	16.10.2006	17:53:35 - 18:17:54	45 x 30 sec	C8 + focal reducer @ f/5.8	Starlight SX	-	16.0' x 11.1'	processing with MIRA A/P: dark flat register on comet median combine processing with Photoshop: open FITS log scaling clipping save as JPEG
comets head at a height of 10 deg at beginning of exposure, inset is at same scale but different curves from the same images, FWHM 8.5", out of focus (original scale is 2.2"/px), knot left of tail in the middle image is a residual bulk image (RBI) in the ccd matrix where the head of the comet was in the 8 images before	2006/10/01	18:36:55 - 19:03:57	3 x 8 x 60 sec	500 mm f/5 Newton at Sternwarte Kirchheim, Thuringia, Germany	SBIG ST-L 6303	clear	23.1' x 55.0''	processing with MIRA A/P: dark flat processing with Astrometrica: median combine on comets motion (track and stack) processing with Photoshop: open FITS log scaling merge images reduce to 50% clipping insert text save as JPEG
clouds interfering	2006/09/30	18:22:22 - 18:30:02	8 x 30 sec	500 mm f/5 Newton at Sternwarte Kirchheim, Thuringia, Germany	SBIG ST-L 6303	clear	7.7' x 16.8''	processing with MIRA A/P: dark flat register on comet head fit background combine images (Mean, Min/max clipped ) processing with Photoshop: open FITS log scaling clipping save as JPEG

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any comments to:	Bernd.Brinkmann@FH-BOCHUM.DE

last update:	20.10.2006